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Vor 3 Tagen · Amino acids are organic compounds that contain both amino and carboxylic acid functional groups. [1] Although over 500 amino acids exist in nature, by far the most important are the 22 α-amino acids incorporated into proteins. [2] Only these 22 appear in the genetic code of life. [3] [4]
Vor 2 Tagen · Guohua Jiang. Amin Shavandi. Lei Nie. Frontiers in Chemistry. doi 10.3389/fchem.2024.1402870. 206 views. Advances our understanding of how atoms, ions, and molecules come together and come apart. It explores the role of chemistry in our everyday lives - from electronic devices to health and wellbeing.
Vor 2 Tagen · In 1814, the Swedish chemist Berzelius advocated the name kalium for potassium, with the chemical symbol K. [17] The English and French-speaking countries adopted the name Potassium , which was favored by Davy and French chemists Joseph Louis Gay-Lussac and Louis Jacques Thénard , whereas the other Germanic countries adopted Gilbert and Klaproth's name Kalium . [18]
Vor 2 Tagen · Wheat bran has a high content of dietary fiber. Dietary fiber ( fibre in Commonwealth English) or roughage is the portion of plant-derived food that cannot be completely broken down by human digestive enzymes. [1] Dietary fibers are diverse in chemical composition, and can be grouped generally by their solubility, viscosity, and fermentability ...
Vor 2 Tagen · Morphine is used primarily to treat both acute and chronic severe pain. Its duration of analgesia is about three to seven hours. [12] [13] Side-effects of nausea and constipation are rarely severe enough to warrant stopping treatment. It is used for pain due to myocardial infarction and for labor pains. [12]
Vor 3 Tagen · Paleontology ( / ˌpeɪliɒnˈtɒlədʒi, ˌpæli -, - ən -/ PAY-lee-on-TOL-ə-jee, PAL-ee-, -ən- ), also spelled palaeontology [a] or palæontology, is the scientific study of life that existed prior to the start of the Holocene epoch (roughly 11,700 years before present). [citation needed] It includes the study of fossils to classify ...
Vor 2 Tagen · Gallium is a chemical element; it has symbol Ga and atomic number 31. Discovered by the French chemist Paul-Émile Lecoq de Boisbaudran in 1875, [10] gallium is in group 13 of the periodic table and is similar to the other metals of the group ( aluminium, indium, and thallium ). Elemental gallium is a relatively soft, silvery metal at standard ...
